
.g03e9f4{
  color: #03e9f4;
}
.lightbtn:hover{
  background: #03e9f4;
  color: #050801;
  box-shadow: 0 0 5px #03e9f4,
              0 0 25px #03e9f4,
              0 0 50px #03e9f4,
              0 0 200px #03e9f4;
    -webkit-box-reflect:below 1px linear-gradient(transparent, #0005);
}
.lightbtn:nth-child(1){
    filter: hue-rotate(270deg);
}
.lightbtn:nth-child(2){
    filter: hue-rotate(110deg);
}
.lightbtn span{
    position: absolute;
    display: block;
}
.lightbtn span:nth-child(1){
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg,transparent,#03e9f4);
    animation: animate1 1s linear infinite;
}
@keyframes animate1{
  0%{left: -100%;}
  50%,100%{left: 100%;}
}
.lightbtn span:nth-child(2){
    top: -100%;
    right: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg,transparent,#03e9f4);
    animation: animate2 1s linear infinite;
    animation-delay: 0.25s;
}
@keyframes animate2{
  0%{top: -100%;}
  50%,100%{top: 100%;}
}
.lightbtn span:nth-child(3){
    bottom: 0;
  right: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(270deg,transparent,#03e9f4);
  animation: animate3 1s linear infinite;
  animation-delay: 0.50s;
}
@keyframes animate3{
  0%{right: -100%;}
  50%,100%{right: 100%;}
}
.lightbtn span:nth-child(4){
  bottom: -100%;
  left: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(360deg,transparent,#03e9f4);
  animation: animate4 1s linear infinite;
  animation-delay: 0.75s;
}
@keyframes animate4{
  0%{bottom: -100%;}
  50%,100%{bottom: 100%;}
}